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301230028 = 221119360323
BaseRepresentation
bin10001111101000…
…110011111001100
3202222211001220201
4101331012133030
51104103330103
645520223244
710315261441
oct2175063714
9688731821
10301230028
11145044640
1284a6ab24
134a53b928
142c0139c8
151b6a351d
hex11f467cc

301230028 has 24 divisors (see below), whose sum is σ = 605344320. Its totient is φ = 129715920.

The previous prime is 301229977. The next prime is 301230029. The reversal of 301230028 is 820032103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 301229987 and 301230014.

It is not an unprimeable number, because it can be changed into a prime (301230029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179326 + ... + 180997.

It is an arithmetic number, because the mean of its divisors is an integer number (25222680).

Almost surely, 2301230028 is an apocalyptic number.

301230028 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

301230028 is an abundant number, since it is smaller than the sum of its proper divisors (304114292).

301230028 is a wasteful number, since it uses less digits than its factorization.

301230028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360357 (or 360355 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 301230028 is about 17355.9796035833. The cubic root of 301230028 is about 670.3466150390.

The spelling of 301230028 in words is "three hundred one million, two hundred thirty thousand, twenty-eight".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 836 360323 720646 1441292 3963553 6846137 7927106 13692274 15854212 27384548 75307507 150615014 301230028